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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 4:59 AM BST 12:54 PM BST 8:49 PM BST
Civil Twilight 4:17 AM BST   9:31 PM BST
Nautical Twilight 3:19 AM BST   10:30 PM BST
Astronomical Twilight 1:45 AM BST   12:08 AM BST
Altitude -0.8° 59.3° -0.8°
Azimuth 55.5° 180.0° 304.7°
Hour Angle of the Sun 118.6° 118.7° -118.8°
Mean Anomaly of the Sun 135.80° 136.12° 136.45°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.11° 58.44° 58.77°
Sun Declination 20.21° 20.27° 20.34°
Moon 4:21 PM BST   2:48 AM BST
Length Of Visible Light 17h 13m
Length of Day
15h 49m
Waxing Gibbous, 78% of the Moon is Illuminated
May 20
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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